however, some complain that is a foreign concept to our government. correspondent william la jeunesse explains the push for national yard sale. >> amtrak to vacant buildings like these in california many wonder if the federal government should sell what it doesn't need. >> so instead of raising taxes that takes money out of the economy and loafers activity, we should look to sell federal assets. >> empty v.a. hospital in los angeles for $5 billion or part of the water front former military base in san francisco. both cases, politicians said no. they want to make sure they are taken care of. sometimes it gets in way of what is best for the nation. >> federal government is america biggest landlord. selling 20% of the empty or underperforming buildings would save $2 billion. you go through and clear it out. it's a matter of scale. defense refused to sell valuable public land adjacent to fast-growing city. without charging royalties like we do for oil and natural gas. selling amtrak could net $60 billion. the tennessee authority and the power would bring